搜题请搜索小程序“爱下问搜题”
问题 选择题

处在生长发育时期的青少年所吃的食物中应含丰富的

①维生素 ②糖类 ③脂肪 ④蛋白质 ⑤含钙、磷等无机盐[ ]

A．①②③

B．②③④

C．③④⑤

D．①④⑤

答案

答案：D

单项选择题

The project budget has been finalizeD. Additional work has been discovered that was not planned for in the budget or project scope.（）could provide the fund to cover the newly discovered work item.

A.Contingency reserve

B.Project profit

C.Management reserve

D.Special fund
查看答案
单项选择题 A型题

链球菌与葡萄球菌的属间鉴别，可作初步确定的是（）

A.DNA酶试验

B.触酶试验

C.氧化酶试验

D.葡萄糖发酵试验

E.过氧化氢酶抑制试验
查看答案